Finding the Third Proportional to 58,477.50 and 91,131.75

Step by Step Solution

1. Step 1: Write the proportion equation
   58,477.50 : 91,131.75 = 91,131.75 : x
2. Step 2: Convert to fraction form
   58,477.50/91,131.75 = 91,131.75/x
3. Step 3: Cross multiply
   58,477.50x = 91,131.75 × 91,131.75
4. Step 4: Simplify right side
   58,477.50x = 8,304,995,858.06
5. Step 5: Solve for x
   x = 8,304,995,858.06/58,477.50
6. Step 6: Final answer
   x = 142,020.36